Home / 383,617,263.60-575,425,895.40-261,173,257.20

Finding the Fourth Proportional to 383,617,263.60, 575,425,895.40 and 261,173,257.20

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Solution

The fourth proportional to 383,617,263.60, 575,425,895.40 and 261,173,257.20 is: 391,759,885.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,617,263.60 : 575,425,895.40 = 261,173,257.20 : x
  2. Step 2: Convert to fraction form
    383,617,263.60/575,425,895.40 = 261,173,257.20/x
  3. Step 3: Cross multiply
    383,617,263.60x = 575,425,895.40 × 261,173,257.20
  4. Step 4: Simplify right side
    383,617,263.60x = 150,285,855,378,844,480
  5. Step 5: Solve for x
    x = 150,285,855,378,844,480/383,617,263.60
  6. Step 6: Final answer
    x = 391,759,885.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.